Query by Example

Dave Matthews matthews at GREENGENES.CIT.CORNELL.EDU
Fri Jan 30 10:48:42 EST 1998


> It was pointed out to me by Roger Chetelat, who uses SolGenes on geneous,
> that Query by Example crashes ACEDB whenever one tries to select a Class
> from the Class menu (either the scrollable menu or the right-mouse-button
> one).  The same problem exists on GrainGenes and RiceGenes, so it is not
> server-specific.  Perhaps everybody else was aware of the problem, and
> avoided it by opening the desired Class in the main window before opening
> QBE.  Does anybody know when the bug appeared?  Is it a "feature" of
> version 4.5?
> 
> Thanks,
> Sam

Looks like this is new.  4.3i doesn't have the problem.

Interestingly though, in both 4.3 and 4.5 the list of classes in QBE
includes a bunch of classes that aren't in the model and don't look like
system classes, e.g. in GrainGenes' case Clone, Comment, Doc,
Homology_group, Include, Paper.  In 4.5 these "extras" don't appear in the
scrollable Selector window obtained by clicking the triangle in the Main
window or the Query Builder window, only the one obtained from the QBE
window.

- Dave




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